Alert archive / Missouri / Tornado Warnings in 2006

Tornado Warning 42, NWS St. Louis, MO

March 12, 2006Marion County, Monroe County, Ralls County, Missouri

NWS St. Louis, MO issued this tornado warning at Mar 12, 2006, 10:10 PM CST for Marion County, Monroe County, Ralls County, Missouri. It was in force for 34 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 12, 2006, 10:10 PM CST (04:10 UTC)
Expired
Mar 12, 2006, 10:44 PM CST
In force
34 min
Issued by
NWS St. Louis, MO
Area
Counties, with a storm outline in the text

Counties Marion County, MO, Monroe County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 139 km from the middle of the area, began a volume at 04:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Mar 12, 10:15 PM CSTHAIL 1Monroe City, MO
Mar 12, 10:15 PM CSTTORNADOMonroe City, MOCHURCH DAMAGED...REPORT OF PEOPLE TRAPPED INSIDE.
Mar 12, 10:20 PM CSTTORNADO5 E Monroe City, MO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 12, 8:42 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 4.2 hours before the alert went out and 238 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Davenport, at 00:00Z on 2006-03-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2006-03-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 756 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
653 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
756 m²/s²
0-3 km storm-relative helicity
1064 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KLSX 130411
TORLSX
MOC127-137-173-130500-
/O.NEW.KLSX.TO.W.0042.060313T0410Z-060313T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1010 PM CST SUN MAR 12 2006

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN MARION COUNTY IN NORTHEAST MISSOURI
  NORTHEASTERN MONROE COUNTY IN NORTHEAST MISSOURI
  NORTHWESTERN RALLS COUNTY IN NORTHEAST MISSOURI

* UNTIL 1100 PM CST

* AT 1007 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
  TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO 9 MILES
  SOUTHWEST OF MONROE CITY...NEAR STOUTSVILLE...MOVING NORTHEAST AT
  45 MPH. 

* LOCATIONS IMPACTED INCLUDE...
  MONROE CITY...
  RENSSELAER...
  SPAULDING...
  PALMYRA...
  HANNIBAL...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3964 9195 3950 9172 3967 9131 3994 9151

$$

TRUETT
2 follow-up statements
000 
WWUS53 KLSX 130428
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1025 PM CST SUN MAR 12 2006

MOC137-130435-
/O.CAN.KLSX.TO.W.0042.000000T0000Z-060313T0500Z/
MONROE MO-
1025 PM CST SUN MAR 12 2006

...THE TORNADO WARNING FOR MONROE COUNTY IS CANCELLED...

THE STORM HAS EXITED THIS AREA.  HOWEVER...THE THREAT OF SEVERE 
WEATHER IS NOT OVER...AND A TORNADO WATCH REMAINS IN EFFECT UNTIL 4 
AM...

LAT...LON 3967 9186 3966 9171 3950 9172 3967 9131
      3994 9151

$$

MOC127-173-130500-
/O.CON.KLSX.TO.W.0042.000000T0000Z-060313T0500Z/
RALLS MO-MARION MO-
1025 PM CST SUN MAR 12 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CST FOR
SOUTHEASTERN MARION AND NORTHWESTERN RALLS COUNTIES...

...DANGEROUS STORM HEADING TOWARD THE PALMYRA AND HANNIBAL AREAS...

AT 1020 PM CST...STORM SPOTTERS REPORTED A TORNADO JUST EAST OF 
MONROE CITY.  RADAR INDICATED THE STORM PRODUCING THIS TORNADO WAS 
MOVING NORTHEAST AT 45 MPH.

LOCATIONS NEAR THE PATH OF THE TORNADO INCLUDE PALMYRA...HANNIBAL 
AND ILASCO.  THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING 
SITUATION. TORNADOES ARE DIFFICULT TO SEE AT NIGHT...SO DO NOT 
WAIT...TAKE COVER IMMEDIATELY

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3967 9186 3966 9171 3950 9172 3967 9131
      3994 9151

$$

TRUETT
000 
WWUS53 KLSX 130444
SVSLSX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1044 PM CST SUN MAR 12 2006

MOC127-173-130454-
/O.CAN.KLSX.TO.W.0042.000000T0000Z-060313T0500Z/
RALLS MO-MARION MO-
1044 PM CST SUN MAR 12 2006

...THE TORNADO WARNING FOR SOUTHEASTERN MARION AND NORTHWESTERN RALLS
COUNTIES IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.

HOWEVER...THE THREAT OF SEVERE WEATHER HAS NOT ENDED.  ADDITIONAL 
STRONG THUNDERSTORMS ARE POSSIBLE...AND A TORNADO WATCH REMAINS IN 
EFFECT UNTIL 4 AM.

LAT...LON 3967 9186 3966 9171 3950 9172 3967 9131
      3994 9151

$$

TRUETT

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 12, 6:12 PM CSTTornado WarningLSXPike63 min
Mar 12, 9:11 PM CSTTornado WarningLSXMonroe64 min
Mar 12, 9:13 PM CSTSevere Thunderstorm WarningLSXKnox47 min
Mar 12, 10:05 PM CSTTornado WarningLSXAudrain, Boone24 min
Mar 12, 10:20 PM CSTTornado WarningLSXMonroe40 min
Mar 12, 10:34 PM CSTTornado WarningLSXCole, Moniteau52 min
Mar 12, 10:41 PM CSTTornado WarningLSXMonroe29 min
Mar 12, 11:04 PM CSTTornado WarningLSXMarion, Ralls26 min
Mar 12, 11:09 PM CSTTornado WarningLSXLewis, Marion, Shelby35 min
Mar 12, 11:10 PM CSTTornado WarningLSXCallaway, Osage50 min
Mar 12, 11:47 PM CSTTornado WarningLSXMontgomery34 min
Mar 12, 11:51 PM CSTSevere Thunderstorm WarningLSXMoniteau39 min
Mar 13, 12:03 AM CSTTornado WarningLSXLincoln, Warren33 min
Mar 13, 12:15 AM CSTSevere Thunderstorm WarningLSXBoone, Cole29 min
Mar 13, 12:26 AM CSTTornado WarningLSXLincoln40 min
Mar 13, 12:30 AM CSTSevere Thunderstorm WarningLSXCallaway45 min
Mar 13, 12:35 AM CSTTornado WarningLSXCallaway40 min
Mar 13, 12:49 AM CSTTornado WarningLSXMontgomery40 min
Mar 13, 1:06 AM CSTTornado WarningLSXGasconade, Osage39 min
Mar 13, 1:15 AM CSTTornado WarningLSXLincoln, Warren44 min
Mar 13, 1:33 AM CSTTornado WarningLSXPike27 min
Mar 13, 1:35 AM CSTSevere Thunderstorm WarningLSXReynolds25 min
Mar 13, 1:46 AM CSTSevere Thunderstorm WarningLSXFranklin, Gasconade44 min
Mar 13, 1:57 AM CSTTornado WarningLSXReynolds29 min
Mar 13, 2:10 AM CSTSevere Thunderstorm WarningLSXSaint Charles44 min
Mar 13, 2:35 AM CSTSevere Thunderstorm WarningLSXCrawford, Washington55 min
Mar 13, 2:35 AM CSTSevere Thunderstorm WarningLSXSaint Louis35 min
Mar 13, 2:38 AM CSTSevere Thunderstorm WarningLSXMadison37 min
Mar 13, 2:47 AM CSTTornado WarningLSXMadison25 min
Mar 13, 3:53 AM CSTTornado WarningLSXSainte Genevieve26 min

Nearby

Tornado Warnings in Missouri, 2006Every tornado warning in 2006Tornadoes in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.